DCGT070204-AK and DCMT070204-MV What do you mean by AK and MT?

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DCGT070204-AK is the blade of Korea Croy Company, AK is the chipbreaker code, which is used for aluminum alloy processing;
DCMT070204-MV is the blade of Mitsubishi Corporation of Japan, and MV is the chipbreaker code, which is generally used for steel processing.
DCMT070204 SM IC908 high precision carbide insert lathe tool DCMT070204 CNC lathe parts metal turning tool Tokarnyy

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